Look, even if that were true, then I would say the same about any open water. It's a severe health risk that no-one should be taking. Proper facilities could have been put in place.
If she got sick from the swim, she got unlucky because the bacteria levels were "very good". She probably got sick from somewhere else.
It was not E. coli that made her sick, she wrote, adding that she sought treatment at a clinic in the Olympic Village on Sunday after several days of vomiting and diarrhea “left me quite empty.”
World Triathlon said the bacteria levels last week when the individual triathlon events were held were considered “very good” and that the levels were also within acceptable limits during Monday’s triathlon mixed relay event.
Cleanliness test were also made just before the race. The article from apnews talks about them. I could only find french newspaper talking about it but the "heavy rainfalls" seemed NOT to be a problem.
Tuesday evening's thunderstorm "was a close call", admitted regional prefect Marc Guillaume on Wednesday, but "it didn't rain on the event zone". In the event of heavy rainfall, untreated water can be discharged into the river, a phenomenon that the retention structures inaugurated just before the Games are designed to prevent.
Come to England. We used to have clean beaches and rivers. Then we had 14 years of a corrupt government that allowed (previously illegal) toxic dumping, and hey presto - the country is unswimmable.
Sorry but Jolien who thinks that drinking yakult is something worth mentioning is not a reliable source in regards of rating how healthy it is to swim in the Seine. Because, to user her own words, anything else would be "bullshit"